Effect of negative air ions on morphine-
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C. J. Beardwood; P. M. Jordi
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Article
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1990
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John Wiley and Sons
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English
β 381 KB
## Abstract Adult male LongβEvans rats were exposed to negatively charged air ions at high concentrations (7 Γ 10^5^/cm^3^) for six days. Shamβexposed rats were treated identically except that the source of ions was not activated. At the end of the exposure, the latency of the tailβflick reflex was